who the banking 4.0 is made for? we make payments not because we feel the need to pay, but because it’s part of a longer chain. for instance, if we go to the doctor and pay for the consultation, our relationship is directly with the doctor, while the payment card, terminal, two banks, and the payment system are just infrastructure created to securely and reliably process the payment. the bitcoin blockchain concept has already shown that this task can be solved in other ways.